/Engine/Plugins/FX/Niagara/Source/Niagara/Public/NiagaraTypes.h
void AddConversionStep ( int32 InSourceBytes, int32 InSourceOffset, int32 InSimulationBytes, int32 InSimulationOffset, [ENiagaraStructConversionType](API\Plugins\Niagara\ENiagaraStructConversionType) ConversionType )